这种写法是啥意思 let obj = {}, content;

// content 在上面也没有被定义，后端开发人员初学前端，有点蒙蔽。
export const getStore = (params = {}) => {
let {
name,
debug
} = params;
name = keyName + name
let obj = {},
content;
obj = window.sessionStorage.getItem(name);
if (validatenull(obj)) obj = window.localStorage.getItem(name);
if (validatenull(obj)) return;
try {
obj = JSON.parse(obj);
} catch{
return obj;
}
if (debug) {
return obj;
}
if (obj.dataType == 'string') {
content = obj.content;
} else if (obj.dataType == 'number') {
content = Number(obj.content);
} else if (obj.dataType == 'boolean') {
content = eval(obj.content);
} else if (obj.dataType == 'object') {
content = obj.content;
}
return content;
}